| 1. | Development of a precision seeder control system
穴盘精密播种机控制系统的研究
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| 2. | The first seeder developed was of medium scale approx
第一个免耕播种机是中型的约
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| 3. | A second , smaller 3 point hitch seeder approx
第二个直播机是三点悬挂式约
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| 4. | Research on seedplate bneumatic precision seeder
苗盘气吸精密播种机的研制
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| 5. | The design of the avoids ploughing wheat seeder
小麦免耕播种机的设计
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| 6. | Study and design of2bd - 1 6 precision seeder
16型精密播种机的研究设计
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| 7. | Study on strip rotary tillage wheat seeder
带状浅旋小麦播种机的研究
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| 8. | Seeder design and evaluation for small scale conservation tillage
小型免耕播种机的设计与试验
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| 9. | Design of model 2bfq - 3 stalk - saw - cutting corn no - tillage seeder
3型秸秆锯切式玉米免耕播种机设计
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| 10. | 2bf - 6 type no - tillage combine seeder for rape in stubbly field
6型稻茬田油菜免耕联合播种机的研究
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